The Polish government signed a contract with the European Investment Bank (EIB) worth 300 million euros (around $326 million) to construct its part of the pan-European air defense, according to Polish Prime Minister Donald Tusk. Tusk said in April that Poland is interested in joining the European Sky Shield Initiative, which currently includes 21 countries. The initiative aims to create an Iron Dome-style air defense system covering several European NATO member states. On May 20, Tusk announced that “in a few days,” he and other European prime ministers would present the project of building an…